// comment line not a doc
/* comment block not a doc                   */

//! inner line comment for most outer crate
/*! inner block comment for most outer crate */

// comment line not a doc
/* comment block not a doc                   */

/// outer doc line for module
/** outer doc block for module               */
pub mod module {
    //!  inner line doc
    //!! inner line doc!
    /*!  inner block doc  */
    /*!! inner block doc! */

    //   line comment
    ///  outer line doc
    //// line comment

    /*   block comment   */
    /**  outer block doc */
    /*** block comment   */

    mod block_doc_comments {
        /*   /* */  /** */  /*! */  */
        /*!  /* */  /** */  /*! */  */
        /**  /* */  /** */  /*! */  */
        mod item {}
    }

    pub mod empty {
        //!
        /*!*/
        //

        ///
        // the following warning is issued one line earlier
        mod doc {}
        /**/
        /***/
    }
}
pub fn main() {}
